CIAC

CIAC may refer to:

Athletic conferences

• Carolinas Intercollegiate Athletic Conference, southeastern United States
• Connecticut Interscholastic Athletic Conference
• Central Intercollegiate Athletic Conference, Kansas and Missouri

Other uses

• Clark International Airport Corporation, Pampanga, Philippines
• Colombian Aeronautical Industry Corporation, or CIAC for its acronym in Spanish
• Community in a Cube, a housing development in Middlesbrough, United Kingdom
• Computer Incident Advisory Capability, at the United States Department of Energy
• CRACK International Art Camp, Rahimpur, Kushtia, Bangladesh